Home / 7,437.68-11,134.59-6,515.04

Finding the Fourth Proportional to 7,437.68, 11,134.59 and 6,515.04

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Solution

The fourth proportional to 7,437.68, 11,134.59 and 6,515.04 is: 9,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,437.68 : 11,134.59 = 6,515.04 : x
  2. Step 2: Convert to fraction form
    7,437.68/11,134.59 = 6,515.04/x
  3. Step 3: Cross multiply
    7,437.68x = 11,134.59 × 6,515.04
  4. Step 4: Simplify right side
    7,437.68x = 72,542,299.23
  5. Step 5: Solve for x
    x = 72,542,299.23/7,437.68
  6. Step 6: Final answer
    x = 9,753.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.